{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57240",
    "entityType": "User",
    "nonce": "0x0815497f5c90630042f91b196a6a2553583681834fbc94064185a8c3ae677dde",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
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}